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Oxane (2-methyl-4-propyl-1,3-oxathiane)

2-Methyl-4-propyl-1,3-oxathiane

Oxane

Oxathiane · C₈H₁₆OS

Chemical structure of Oxane (2-methyl-4-propyl-1,3-oxathiane)
2D structure PubChem / NCI CIR

Chemical info

CAS number CAS
67715-80-4
Molecular formula
C₈H₁₆OS
Molecular weight
160.27 g/mol
Origin
Nature-identical
Odor family
Fruity
Note
Top
Aroma
Passion fruit, grapefruit and tropical fruit with a sulfurous edge.

History

cis-2-methyl-4-propyl-1,3-oxathiane was identified in yellow passion fruit. Oxane is a Firmenich trade name.

In perfumery

Used at trace levels in passion fruit, grapefruit and cassis accords.

Connections

EvokesPassion fruit, Grapefruit
Found in naturePassion fruit

Regulatory status

No specific limit
IFRA 51
No dedicated IFRA Standard in the IFRA library as of Amendment 51.
EU CosReg
No specific entry in Annex II or III of Regulation (EC) 1223/2009.
EU allergen 2023/1545
Not on the list of fragrance allergens requiring labelling, including after Regulation (EU) 2023/1545.

Sources

  1. NCI/CADD Chemical Identifier Resolver, CAS 67715-80-4
  2. IFRA Standards Library, Amendments up to 51
  3. Regulation (EC) No 1223/2009, consolidated text of 18.05.2026, Annexes II and III